[ON THE ORIGIN OF CARBON GAS MASK].
BALEV, P
[ON THE ORIGIN OF CARBON GAS MASK]. [electronic resource] - Nauchni trudove na Visshiia meditsinski institut, Sofiia 1963 - 65-9 p. digital
Publication Type: Journal Article
0525-0889
Carbon
History
Masks
Respiratory Protective Devices
[ON THE ORIGIN OF CARBON GAS MASK]. [electronic resource] - Nauchni trudove na Visshiia meditsinski institut, Sofiia 1963 - 65-9 p. digital
Publication Type: Journal Article
0525-0889
Carbon
History
Masks
Respiratory Protective Devices